How heat moves from one end of a solid to the other

hi,

the answer is d, it has indefinite shape but definite volume.

hope this !

is there multiple choice answers?

answer would be option a) they have mobile charged particles.

the equation for synthesis of water is as follows;

here two moles of hydrogen are used with one mole of oxygen which gives one molecule of water as a product. but shana misinterpreted 2 moles as 2 grams in this equation.